Home / 179,837.12-248,171.76-99,259.92

Finding the Fourth Proportional to 179,837.12, 248,171.76 and 99,259.92

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Solution

The fourth proportional to 179,837.12, 248,171.76 and 99,259.92 is: 136,976.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,837.12 : 248,171.76 = 99,259.92 : x
  2. Step 2: Convert to fraction form
    179,837.12/248,171.76 = 99,259.92/x
  3. Step 3: Cross multiply
    179,837.12x = 248,171.76 × 99,259.92
  4. Step 4: Simplify right side
    179,837.12x = 24,633,509,043.86
  5. Step 5: Solve for x
    x = 24,633,509,043.86/179,837.12
  6. Step 6: Final answer
    x = 136,976.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.